This one had all the features we needed out-of-box, also was easy to use. Yes, they have real-time monitoring, visualization and user defined alerts. It works on any platform including Linux/Windows/mac. We started using it as simple desktop application for small size network and the same installation gradually grew into multi-user distributed system monitoring thousands of nodes including secure monitoring of our remote sites. Network monitoring (SNMP, SSH, TL1, ping…); server monitoring: they have both agent-less (via standard protocols SSH and SNMP) and agent for servers, which provides even more visibility. Alerts via e-mail/SMS, northbound interfaces , historical statistics – they have everything. The most cost effective solution They have free version as well., Understand the power of network monitoring in optimizing performance, detecting threats, and preventing downtime. Learn how to safeguard your network effectively., As network engineers and administrators, we mostly focus on managing and configuring hardware devices such as routers, switches, firewalls, load balancers etc. We rarely deal with software management tools which are equally important in a corporate network. Without knowing the health, performance, availability and quality of your network is like….